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| In the left half of the left plot, specific illuminance by a continuous row of luminaires spaced 5 heights is shown (right half is for a single luminaire). | The right plot is for a single luminaire, unrotated. |
Values below the scale are illuminance / 1 lx. This is for (unrealistic) “unit” case that luminaires would have lamps producing 1 klm only, would be point-like and just 1 m over the terrain.
# IESNA91
# [TEST] LSI 9998
# [DATE] 03/14/91
# [MANUFAC] RUUD LIGHTING
# [LUMCAT] RT118A19
# [LUMINAIRE] BAFFLE WITH REFLECTOR
# [LAMP] 60W A19
# TILT=NONE
# Bulbs: 1, 870 lm each
# Number of measured angles: 37 vertical, 1 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous opening diameter (and height?): 0.500 ( 0.000 )
# Ballast factor: 1, Input power: 60 W
# Source file: rt118a19.ies
# Luminaire flux = 512 lm,
# 58.8 % of the bulb flux
# between 75 and 90: 0.0 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 0.0 cd/1000lm , 0.0 % of the luminaire flux
# 90deg and above: max 0.0 cd/1000lm , 0.0 % of the luminaire flux
# CutOff Type: Full_CutOff
# 62.5 deg to <67.5 deg: max 1 cd/1000lm,
# 67.5 deg to <72.5 deg: max 1 cd/1000lm,
# maximum spec. lum. intensity 391 cd/1000lm
# The following table gives luminous intensities which would be produced
# using a hypothetic bulb giving a luminous flux of 1000 lm (i.e., cd/klm):
0.0 375
2.5 367
5.0 354
7.5 344
10.0 332
12.5 324
15.0 317
17.5 316
20.0 318
22.5 329
25.0 353
27.5 378
30.0 391
32.5 378
35.0 334
37.5 276
40.0 215
42.5 153
45.0 100
47.5 62.1
50.0 37.9
52.5 23.0
55.0 13.8
57.5 6.9
60.0 3.4
62.5 1.1
65.0 1.1
67.5 1.1
70.0 1.1
72.5 0.0
75.0 0.0
77.5 0.0
80.0 0.0
82.5 0.0
85.0 0.0
87.5 0.0
90.0 0.0
# IESNA91
# [TEST] LSI 9998
# [DATE] 03/14/91
# [MANUFAC] RUUD LIGHTING
# [LUMCAT] RT118A19
# [LUMINAIRE] BAFFLE WITH REFLECTOR
# [LAMP] 60W A19
# TILT=NONE
# Bulbs: 1, 870 lm each
# Number of measured angles: 37 vertical, 1 horizontal ones
# Photometric type: 1, Units type: 1
# Luminous opening diameter (and height?): 0.500 ( 0.000 )
# Ballast factor: 1, Input power: 60 W
# Source file: rt118a19.ies
# Luminaire flux = 512 lm,
# 58.8 % of the bulb flux
# between 75 and 90: 0.0 % of the luminaire flux
# - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above: max 0.0 cd / 1000 lm , 0.0 % of the luminaire flux
# 90deg and above: max 0.0 cd / 1000 lm , 0.0 % of the luminaire flux
# CutOff Type: Full_CutOff
# 62.5 deg to <67.5 deg: max 1 cd / 1000 lm,
# 67.5 deg to < 76 deg: max 1 cd / 1000 lm,
# maximum spec. lum. intensity 391 cd / 1000 lm
# The following table gives luminous intensities which would be produced
# using a hypothetic bulb giving a luminous flux of 1000 lm (i.e., cd/klm):
0.0 375
2.5 367
5.0 354
7.5 344
10.0 332
12.5 324
15.0 317
17.5 316
20.0 318
22.5 329
25.0 353
27.5 378
30.0 391
32.5 378
35.0 334
37.5 276
40.0 215
42.5 153
45.0 100
47.5 62.1
50.0 37.9
52.5 23.0
55.0 13.8
57.5 6.9
60.0 3.4
62.5 1.1
65.0 1.1
67.5 1.1
70.0 1.1
72.5 0.0
75.0 0.0
77.5 0.0
80.0 0.0
82.5 0.0
85.0 0.0
87.5 0.0
90.0 0.0